Palau Swiftlet vs African Swift
Aerodramus pelewensis 비교 대상 Apus barbatus
Side-by-Side Comparison
| 속성 | Palau Swiftlet | African Swift |
|---|---|---|
| 학명 | Aerodramus pelewensis | Apus barbatus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 21.5 cm (8.5 in) | 34.2 cm (13.5 in) |
| 체중 | 13.3 g (0.47 oz) | 42.666666666666664 g (1.51 oz) |
| 식성 | Aerial plankton specialist catching tiny flies, gnats, and airborne spiders in tight acrobatic flight. | Completely aerial diet of small flying insects and spiders; never forages on the ground or … |
| 산란 수 | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Palau Swiftlet
Rapid thin twittering; high 'tsit' notes over Palau islands; audible echolocation clicks in cave and building roosts; endemic island species; calls weakly in small flocks
African Swift
Sharp, piercing screech followed by rapid chatter; intense series of notes escalating in speed and volume before fading.
Geographic Range & Migration
Palau Swiftlet
Endemic to the Palau Islands in Micronesia. Resident on all major islands; nests in limestone caves. Small but stable population.
African Swift
Found across sub-Saharan Africa from Senegal east to Ethiopia and south to South Africa. One of Africa's most common swift species.
보전 상태
Palau Swiftlet
African Swift
How to Tell Them Apart
Palau Swiftlet
Small; dark grey-brown upperparts; pale buff-grey rump band; underparts pale greyish-white; forked tail; Palau Island endemic; closely resembles Caroline Swiftlet but restricted to Palau and differing in subtle measurements.
African Swift
Dark sooty-brown throughout; pale throat patch whitish-grey; underparts slightly paler; broadly similar to Common Swift but slightly larger and marginally paler below; widespread Sub-Saharan African species.
About These Birds
Palau Swiftlet
서태평양 팔라우 군도에 고유하게 서식하는 작은 칼새류(10~11cm). 어두운 깃털. 공중 식충성이다.
African Swift
아프리카 칼새는 사하라 이남 아프리카 전역에 분포하는 중간 크기의 칼새입니다. 검은 깃털과 흰 목이 특징이며, 절벽과 건물에서 집을 짓고 높은 곳에서 날아오르며 먹이를 잡습니다.